17798978896

素因数分解:

$2^4\times {\mathrm{19973}}^1\times {\mathrm{55697}}^1$

素因数の和:75678

約数の個数: 20

約数和(自身を含む): 34487867412

約数和(自身を除く): 16688888516

約数列:

[1, 2, 4, 8, 16, 19973, 39946, 55697, 79892, 111394, 159784, 222788, 319568, 445576, 891152, 1112436181, 2224872362, 4449744724, 8899489448, 17798978896]

約数ペア:

[(1, 17798978896), (2, 8899489448), (4, 4449744724), (8, 2224872362), (16, 1112436181), (19973, 891152), (39946, 445576), (55697, 319568), (79892, 222788), (111394, 159784)]